5305-00-937-2566 SCREW,MACHINE Index 5340-00-937-2571 SEAT,HELICAL COMPRESSION SPRING

National Stock Number:
5305-00-937-2568

Federal Supply Class:
5305

National Item Identification Number:
009372568

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
1BN4C31P174445H-K CONNECTICUT HOLDING COMPANY
547997375AIR-LOCK, INCORPORATED


Techincal Specification:
FASTENER LENGTH0.312 INCHES NOMINAL
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.201 INCHES MINIMUM AND 0.213 INCHES MAXIMUM
HEAD HEIGHT0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4037 OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES
WIDTH ACROSS FLATS0.063 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.312 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH40


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